Plant Disease

Tar spot symptoms on corn leaf

Corn Disease Update: Fungicide Expectations for Disease Control

August 15, 2024
Persistent wet weather in the early growing season set the scene for corn diseases to flourish. This article provides guidance on using foliar fungicides to mitigate loss, regarding application timing, disease history, crop stage and weather impacts. 

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Man and woman look at seedlings in containers
Shaonpius Mondal and Sofiya Arora, a master’s student, screen wheat seedlings for virus transmission experiments. Mondal, an assistant professor of entomology, has extensive experience in the study of viral infections of crops. (Photo by Craig Chandler, University Communication and Marketing)

Mondal Lab Pioneers Research into Pest-borne Viral Infections of Cereal Crops

August 7, 2024
Three main experiments are underway in Mondal’s lab to target the process of disease transmission from crop pests to wheat and small grains crops.

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Closeup of black spots on corn leaf
Figure 1. Tar spot black stromata develop on the upper leaf first then become visible underneath too. Over time, the spots increase in size and elongate. (Photos by Tamra Jackson-Ziems)

Corn Diseases Developing in Some Fields — What To Watch

July 12, 2024
Tar spot has been confirmed in several eastern Nebraska counties in recent weeks, and distribution of the fungus is expected to continue expansion this year.

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Soybean gall midge larvae on plant stem

Insect Pest and Plant Diseases in Soybean: A Nebraska Soybean Board-funded Project

July 10, 2024
In a new study, UNL researchers are using unconventional treatments on soybean insects and diseases to investigate the relationships between certain pests and how their interactions impact crop yield.

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This Week on N Field: Disease Concerns After Hail Damage

July 27, 2023
Hail damage can wound plants, but will this damage increase the amount of disease you will see in the field? Nebraska Extension specialists share insights on whether a fungicide could benefit your damaged crop.

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phytophthora symptoms on soybean plant

Field Conditions Shift to Favor Soybean Phytophthora Stem and Root Rot

July 20, 2023
Dry conditions early limited many seedling diseases. But with moisture increasing across the state in the last few weeks, PRSR is beginning to show up on farms.  

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FarmBits Podcast: Predicting Spores

March 31, 2023
In the latest episode, FarmBits chats with Carlos Pizolotto, a Brazilian plant pathologist who is researching predictive models to prevent and control disease outbreaks in agriculture.

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Cercospora leaf spot

A Plant Disease Changes Sugarbeet Production in Nebraska

March 29, 2023
A review of the impacts cercospora leaf spot has had on sugarbeet production in Nebraska since the early 1900s.

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